The Biographical and personal materials series contains some biographical material, including photographs, of Ingolf Dahl. Of particular interest are the daybooks kept by Dahl throughout his adult life, from 1928 to 1970. These give a detailed and intimate look into not only Dahl's day to day activities, but also his working process and interpersonal relationships.

The Biographical and personal materials series contains some biographical material, including photographs, of Ingolf Dahl. Of particular interest are the daybooks kept by Dahl throughout his adult life, from 1928 to 1970. These give a detailed and intimate look into not only Dahl's day to day activities, but also his working process and interpersonal relationships.

The Biographical and personal materials series contains some biographical material, including photographs, of Ingolf Dahl. Of particular interest are the daybooks kept by Dahl throughout his adult life, from 1928 to 1970. These give a detailed and intimate look into not only Dahl's day to day activities, but also his working process and interpersonal relationships.

Performance of Dahl's Piano Trio, including Dahl as a performer.

The contents of the Clippings and catalogs series are records of publicity of Dahl's own work as composer, conductor and performer, and also document the work and careers of other composers and performers with whom Dahl worked, or whom Dahl knew personally.